The discovery of stars orbiting the supermassive black hole at the galactic center was a turning point in astrophysics.

我觉得作为一个歌手，最重要的不是技巧，而是感情。

Without sacrifice, there is no freedom.

Efficiency is doing things right; effectiveness is doing the right things.

过去是一个跟随我们的影子，但它不必定义我们。

负责任的林业不是一种选择，而是我们所有人的义务。